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packing box seal
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packing box seal
Encyclopedia
工学
往复密封
释
packing box seal
填料密封
通过填料阻塞泄漏通路实现往复或旋转相对运动界面的密封。又称压紧填料密封。
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Francis Harry Compton Crick
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Francis of Assisi
Francis Parkman Jr.
Francis Peyton Rous
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Francistown
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francium
Franck
Franck-Condon factor
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